Sample works on API 9 now.

library/build.gradle

@@ -9,7 +9,7 @@ android {
         minSdkVersion 8
         targetSdkVersion 22
         versionCode 1
-        versionName "0.6.4.6"
+        versionName "0.6.4.7"
     }
     lintOptions {
         abortOnError false
@@ -27,7 +27,7 @@ publish {
     userOrg = 'drummer-aidan'
     groupId = 'com.afollestad'
     artifactId = 'material-dialogs'
-    version = '0.6.4.6'
+    version = '0.6.4.7'
     description = 'A library for implementing Material design styled dialogs across all versions of Android.'
     website = 'https://github.com/afollestad/material-dialogs'
     issueTracker = "${website}/issues"

library/src/main/res/values-v11/styles.xml

@@ -1,7 +1,7 @@
 <?xml version="1.0" encoding="utf-8"?>
 <resources>
 
-    <style name="MD_Light" parent="android:Theme.Holo.Light.Dialog">
+    <style name="MD_Light" parent="Theme.AppCompat.Light.Dialog">
         <item name="md_divider">@color/md_divider_black</item>
         <item name="md_list_selector">@drawable/md_selector</item>
         <item name="md_btn_stacked_selector">@drawable/md_selector</item>
@@ -12,7 +12,7 @@
         <item name="android:windowBackground">@android:color/transparent</item>
     </style>
 
-    <style name="MD_Dark" parent="android:Theme.Holo.Dialog">
+    <style name="MD_Dark" parent="Theme.AppCompat.Dialog">
         <item name="md_divider">@color/md_divider_white</item>
         <item name="md_list_selector">@drawable/md_selector_dark</item>
         <item name="md_btn_stacked_selector">@drawable/md_selector_dark</item>

library/src/main/res/values-v21/styles.xml

@@ -1,7 +1,7 @@
 <?xml version="1.0" encoding="utf-8"?>
 <resources>
 
-    <style name="MD_Light" parent="android:Theme.Material.Light.Dialog.Alert">
+    <style name="MD_Light" parent="Theme.AppCompat.Light.Dialog">
         <item name="md_divider">@color/md_divider_black</item>
         <item name="md_list_selector">?android:selectableItemBackground</item>
         <item name="md_btn_stacked_selector">?android:selectableItemBackground</item>
@@ -10,7 +10,7 @@
         <item name="md_btn_negative_selector">@drawable/md_btn_selector_ripple</item>
     </style>
 
-    <style name="MD_Dark" parent="android:Theme.Material.Dialog.Alert">
+    <style name="MD_Dark" parent="Theme.AppCompat.Dialog">
         <item name="md_divider">@color/md_divider_white</item>
         <item name="md_list_selector">?android:selectableItemBackground</item>
         <item name="md_btn_stacked_selector">?android:selectableItemBackground</item>

library/src/main/res/values/styles.xml

@@ -9,7 +9,7 @@
         <item name="md_btn_negative_selector">@drawable/md_btn_selector</item>
     </style>
 
-    <style name="MD_Dark" parent="android:Theme.Dialog">
+    <style name="MD_Dark" parent="Theme.AppCompat.Dialog">
         <item name="md_divider">@color/md_divider_white</item>
         <item name="md_list_selector">@drawable/md_selector_dark</item>
         <item name="md_btn_stacked_selector">@drawable/md_selector_dark</item>
@@ -54,7 +54,7 @@
     </style>
 
     <!-- Light dialog theme for devices prior Honeycomb -->
-    <style name="Theme_Light_Dialog" parent="android:Theme.Light">
+    <style name="Theme_Light_Dialog" parent="Theme.AppCompat.Light.Dialog">
         <item name="android:windowFrame">@null</item>
         <item name="android:windowBackground">@android:color/transparent</item>
         <item name="android:windowIsFloating">true</item>

sample/build.gradle

@@ -6,10 +6,10 @@ android {
 
     defaultConfig {
         applicationId "com.afollestad.materialdialogssample"
-        minSdkVersion 14
+        minSdkVersion 9
         targetSdkVersion 22
-        versionCode 89
-        versionName "0.6.4.6"
+        versionCode 90
+        versionName "0.6.4.7"
     }
     lintOptions {
         abortOnError false

sample/src/main/res/values/styles.xml

@@ -7,4 +7,4 @@
         <item name="colorAccent">@color/material_pink_500</item>
     </style>
 
-</resources>
+</resources>